Green and environment-friendly sound insulation board easy to install

The environment-friendly sound insulation plate easy to install comprises a door handle and a sound insulation assembly, a door body is arranged on the outer surface of the left side of the door handle, the sound insulation assembly is installed in the door body, and the sound insulation assembly co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG BAOQUAN, LIU RUYI, HU WENTAO, WANG ZHOUBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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